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Side-by-side financial comparison of Energy Vault Holdings, Inc. (NRGV) and Usio, Inc. (USIO). Click either name above to swap in a different company.

Usio, Inc. is the larger business by last-quarter revenue ($22.2M vs $21.9M, roughly 1.0× Energy Vault Holdings, Inc.). Usio, Inc. runs the higher net margin — -6.7% vs -148.5%, a 141.8% gap on every dollar of revenue. On growth, Energy Vault Holdings, Inc. posted the faster year-over-year revenue change (156.4% vs 8.2%). Over the past eight quarters, Energy Vault Holdings, Inc.'s revenue compounded faster (67.9% CAGR vs 3.0%).

Energy Vault is a global energy storage company specializing in gravity and kinetic energy based, long-duration energy storage products. Energy Vault's primary product is a gravity battery to store energy by stacking heavy blocks made of composite material into a structure, capturing potential energy in the elevation gain of the blocks. When demand for electricity is high, these blocks are lowered with the motors functioning as generators and delivering electricity to the grid.

Usio, Inc. is an American financial technology company headquartered in San Antonio, Texas. It provides integrated electronic payment services, including ACH processing, credit card and debit card acceptance, payment facilitation for software platforms, prepaid card issuing and a document print and mail operation.

NRGV vs USIO — Head-to-Head

Bigger by revenue
USIO
USIO
1.0× larger
USIO
$22.2M
$21.9M
NRGV
Growing faster (revenue YoY)
NRGV
NRGV
+148.2% gap
NRGV
156.4%
8.2%
USIO
Higher net margin
USIO
USIO
141.8% more per $
USIO
-6.7%
-148.5%
NRGV
Faster 2-yr revenue CAGR
NRGV
NRGV
Annualised
NRGV
67.9%
3.0%
USIO

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
NRGV
NRGV
USIO
USIO
Revenue
$21.9M
$22.2M
Net Profit
$-32.5M
$-1.5M
Gross Margin
21.9%
21.9%
Operating Margin
-32.5%
-5.7%
Net Margin
-148.5%
-6.7%
Revenue YoY
156.4%
8.2%
Net Profit YoY
-53.7%
-337.8%
EPS (diluted)
$-0.20
$-0.05

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
NRGV
NRGV
USIO
USIO
Q1 26
$21.9M
Q4 25
$22.2M
Q3 25
$33.3M
$21.2M
Q2 25
$8.5M
$20.0M
Q1 25
$8.5M
$22.0M
Q4 24
$33.5M
$20.6M
Q3 24
$1.2M
$21.3M
Q2 24
$3.8M
$20.1M
Net Profit
NRGV
NRGV
USIO
USIO
Q1 26
$-32.5M
Q4 25
$-1.5M
Q3 25
$-26.8M
$-415.1K
Q2 25
$-34.9M
$-366.7K
Q1 25
$-21.1M
$-235.0K
Q4 24
$-61.8M
$628.9K
Q3 24
$-26.6M
$2.9M
Q2 24
$-26.2M
$75.5K
Gross Margin
NRGV
NRGV
USIO
USIO
Q1 26
21.9%
Q4 25
21.9%
Q3 25
27.0%
23.0%
Q2 25
29.6%
25.8%
Q1 25
57.1%
21.9%
Q4 24
7.7%
24.6%
Q3 24
40.3%
23.0%
Q2 24
27.8%
23.9%
Operating Margin
NRGV
NRGV
USIO
USIO
Q1 26
-32.5%
Q4 25
-5.7%
Q3 25
-52.8%
-2.2%
Q2 25
-330.7%
-2.0%
Q1 25
-244.8%
-1.1%
Q4 24
-150.6%
-2.9%
Q3 24
-2258.1%
-1.8%
Q2 24
-739.7%
-1.0%
Net Margin
NRGV
NRGV
USIO
USIO
Q1 26
-148.5%
Q4 25
-6.7%
Q3 25
-80.5%
-2.0%
Q2 25
-410.3%
-1.8%
Q1 25
-247.7%
-1.1%
Q4 24
-184.7%
3.1%
Q3 24
-2217.9%
13.4%
Q2 24
-694.6%
0.4%
EPS (diluted)
NRGV
NRGV
USIO
USIO
Q1 26
$-0.20
Q4 25
$-0.05
Q3 25
$-0.16
$-0.02
Q2 25
$-0.22
$-0.01
Q1 25
$-0.14
$-0.01
Q4 24
$-0.41
$0.03
Q3 24
$-0.18
$0.10
Q2 24
$-0.18
$0.00

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
NRGV
NRGV
USIO
USIO
Cash + ST InvestmentsLiquidity on hand
$55.2M
$7.4M
Total DebtLower is stronger
$160.6M
$1.4M
Stockholders' EquityBook value
$30.5M
$17.9M
Total Assets
$298.0M
$134.9M
Debt / EquityLower = less leverage
5.27×
0.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NRGV
NRGV
USIO
USIO
Q1 26
$55.2M
Q4 25
$7.4M
Q3 25
$32.7M
$7.7M
Q2 25
$22.3M
$8.1M
Q1 25
$21.2M
$8.7M
Q4 24
$30.0M
$8.1M
Q3 24
$51.1M
$8.4M
Q2 24
$106.8M
$7.2M
Total Debt
NRGV
NRGV
USIO
USIO
Q1 26
$160.6M
Q4 25
$1.4M
Q3 25
$836.7K
Q2 25
$647.1K
Q1 25
$683.3K
Q4 24
$719.4K
Q3 24
$562.9K
Q2 24
$597.2K
Stockholders' Equity
NRGV
NRGV
USIO
USIO
Q1 26
$30.5M
Q4 25
$17.9M
Q3 25
$80.5M
$18.7M
Q2 25
$90.3M
$18.7M
Q1 25
$114.9M
$19.0M
Q4 24
$126.3M
$19.2M
Q3 24
$179.1M
$18.9M
Q2 24
$195.6M
$15.7M
Total Assets
NRGV
NRGV
USIO
USIO
Q1 26
$298.0M
Q4 25
$134.9M
Q3 25
$281.9M
$99.4M
Q2 25
$248.8M
$108.4M
Q1 25
$217.4M
$109.6M
Q4 24
$183.9M
$107.2M
Q3 24
$252.9M
$114.6M
Q2 24
$255.6M
$108.8M
Debt / Equity
NRGV
NRGV
USIO
USIO
Q1 26
5.27×
Q4 25
0.08×
Q3 25
0.04×
Q2 25
0.03×
Q1 25
0.04×
Q4 24
0.04×
Q3 24
0.03×
Q2 24
0.04×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
NRGV
NRGV
USIO
USIO
Operating Cash FlowLast quarter
$-53.8M
$1.5M
Free Cash FlowOCF − Capex
$1.1M
FCF MarginFCF / Revenue
4.8%
Capex IntensityCapex / Revenue
2.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$1.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NRGV
NRGV
USIO
USIO
Q1 26
$-53.8M
Q4 25
$1.5M
Q3 25
$-11.7M
$303.8K
Q2 25
$15.4M
$-263.9K
Q1 25
$-2.7M
$1.4M
Q4 24
$-34.8M
$2.9M
Q3 24
$-9.2M
$1.4M
Q2 24
$-12.8M
$369.1K
Free Cash Flow
NRGV
NRGV
USIO
USIO
Q1 26
Q4 25
$1.1M
Q3 25
$-27.2M
$85.2K
Q2 25
$6.9M
$-503.2K
Q1 25
$-9.5M
$1.1M
Q4 24
$-45.4M
$2.7M
Q3 24
$-36.4M
$1.4M
Q2 24
$-25.1M
$246.3K
FCF Margin
NRGV
NRGV
USIO
USIO
Q1 26
Q4 25
4.8%
Q3 25
-81.5%
0.4%
Q2 25
81.6%
-2.5%
Q1 25
-111.5%
4.8%
Q4 24
-135.5%
13.1%
Q3 24
-3039.9%
6.4%
Q2 24
-665.1%
1.2%
Capex Intensity
NRGV
NRGV
USIO
USIO
Q1 26
Q4 25
2.0%
Q3 25
46.4%
1.0%
Q2 25
98.8%
1.2%
Q1 25
79.5%
1.4%
Q4 24
31.5%
1.0%
Q3 24
2273.1%
0.3%
Q2 24
325.8%
0.6%
Cash Conversion
NRGV
NRGV
USIO
USIO
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
4.61×
Q3 24
0.50×
Q2 24
4.89×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

NRGV
NRGV

Segment breakdown not available.

USIO
USIO

Credit Card Revenue$7.7M35%
ACH And Complementary Service Revenue$6.1M28%
Output Solutions$5.4M24%
Prepaid Card Services Revenue$2.6M12%

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